TY - JOUR AU - L. A. Balashov AU - Yu. A. Dreizin AU - M. S. Mel'nikov TI - Approximations of the exponential function and relative closeness of stable signals JO - Sbornik. Mathematics PY - 1993 SP - 291 EP - 307 VL - 74 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1993_74_2_a1/ LA - en ID - SM_1993_74_2_a1 ER -